[Rock-dev] New feature: vizkit3d debug drawings

[Steffen Planthaber]

Hi,

We (especially Arne) worked on providing an easy way to display 3D debug 
information using vizkit3d:

https://github.com/arneboe/gui-vizkit3d_debug_drawings

e.g. draw a circle just by using
 > base::Vector3d pos(-3, -3, -3);
 > DRAW_SPHERE("some_pos", pos, 1, vizkit3dDebugDrawings::Color::red);
within the Tasks code. (see the repos Readme.md for more information)

This macro either can display the sphere in a local window where the 
task was started or the information sent through a port to be displayed 
remotely.

We think that this is really helpful for debugging and is also ready to 
be merged into the core.

But it relies on an patched version of gui/vizkit3d, that uses the 
"osgviz" library (providing improved click events, click callbacks, and 
providing primitives etc.)

https://github.com/rock-gui/gui-osgviz-osgviz

This is the according diff for vizkit3d:
https://github.com/rock-core/gui-vizkit3d/compare/master...envire:osgviz?expand=1


The way to get the drawings into the rock core would be:

* Add the osgviz library to the rock.core package_set
  * as it is a dependency of vizkit3d then
* Merge the "to be created" PR for vizkit3d (diff above)
* Move the vizkit3d_debug_drawings lib to the rock-gui organization
* add vizkit3d_debug_drawings to the rock.core package set

One open question would be if the osgviz library should stay in 
rock-gui, or if it should be moved to rock-core?

This is why I used this list to ask rather than staring the PR directly

Any opinions?


Best, Steffen



-- 
  Steffen Planthaber
  Weltraumrobotik

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